[Bug-11650][worker] #11650 fix SQL type task, stop task cause NPE (#11668)

dolphinscheduler-worker/src/main/java/org/apache/dolphinscheduler/server/worker/processor/TaskKillProcessor.java

@@ -19,11 +19,11 @@ package org.apache.dolphinscheduler.server.worker.processor;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
+
+import io.micrometer.core.lang.NonNull;
 import io.netty.channel.Channel;
 import io.netty.channel.ChannelFuture;
 import io.netty.channel.ChannelFutureListener;
-import lombok.NonNull;
-import org.apache.commons.collections4.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.JSONUtils;
 import org.apache.dolphinscheduler.common.utils.OSUtils;
 import org.apache.dolphinscheduler.plugin.task.api.AbstractTask;
@@ -43,6 +43,11 @@ import org.apache.dolphinscheduler.server.worker.message.MessageRetryRunner;
 import org.apache.dolphinscheduler.server.worker.runner.WorkerManagerThread;
 import org.apache.dolphinscheduler.server.worker.runner.WorkerTaskExecuteRunnable;
 import org.apache.dolphinscheduler.service.log.LogClientService;
+
+import org.apache.commons.collections.CollectionUtils;
+
+
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -123,7 +128,9 @@ public class TaskKillProcessor implements NettyRequestProcessor {
     private void sendTaskKillResponseCommand(Channel channel, TaskExecutionContext taskExecutionContext) {
         TaskKillResponseCommand taskKillResponseCommand = new TaskKillResponseCommand();
         taskKillResponseCommand.setStatus(taskExecutionContext.getCurrentExecutionStatus());
+        if (taskExecutionContext.getAppIds() != null) {
             taskKillResponseCommand.setAppIds(Arrays.asList(taskExecutionContext.getAppIds().split(TaskConstants.COMMA)));
+        }
         taskKillResponseCommand.setTaskInstanceId(taskExecutionContext.getTaskInstanceId());
         taskKillResponseCommand.setHost(taskExecutionContext.getHost());
         taskKillResponseCommand.setProcessId(taskExecutionContext.getProcessId());
@@ -138,9 +145,15 @@ public class TaskKillProcessor implements NettyRequestProcessor {
         });
     }
 
+    /**
+     * do kill
+     *
+     * @return kill result
+     */
     private Pair<Boolean, List<String>> doKill(TaskExecutionContext taskExecutionContext) {
         // kill system process
         boolean processFlag = killProcess(taskExecutionContext.getTenantCode(), taskExecutionContext.getProcessId());
+
         // find log and kill yarn job
         Pair<Boolean, List<String>> yarnResult = killYarnJob(Host.of(taskExecutionContext.getHost()),
             taskExecutionContext.getLogPath(),